Yes, Dynamic QR codes can be altered. By accessing the dashboard, you can click the Pencil icon at the bottom right of the QR code to access the content section and replace the old information with new content. Once saved, scanning the QR code will reveal the new information. However, it is not possible to edit static QR codes. They are created once, and the content remains indefinitely unchanged within the QR code. To learn all the details of the editing process and understand how editing affects the QR code, you can review the topic "QR Code Editing - Complete Guide."